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1、BRITISH STANDARD AEROSPACE SERIES BS 2A 296: 1995 ISO 7913:1994 Bolts and screws, metric Tolerances of form and position Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 This British Standard, having been prepared under the dir
2、ection of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 June 1995 BSI 08-1999 First published July 1986 Second edition June 1995 The following BSI references relate to the work on this standard: Committee reference ACE/12 Draft for
3、 comment 93/705314 DC ISBN 0 580 24073 8 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, upon which the following bodies were represented: British Industrial Fasteners Fe
4、deration Ministry of Defence Society of British Aerospace Companies Ltd. The Association of Electronics, Telecommunications and Business Equipment Industries Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncon
5、trolled Copy, (c) BSI BS 2A 296:1995 BSI 08-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Descriptions, portrayals and tolerancevalues2 Table 1 Description and portrayal3 Table 2 Values7 List of referencesInside back cover Licensed C
6、opy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 ii BSI 08-1999 National foreword This British Standard has been prepared by Technical Committee ACE/12. It is identical with ISO 7913:1994, Aerospace Bolts and screws, metric Tolerances of
7、 form and position, published by the International Organization for Standardization (ISO). It supersedes BS A 296:1986 which is withdrawn. Cross-references. The Technical Committee has reviewed the provisions of ISO 1101:1983 and ISO 2692:1988, to which normative reference is made in the text, and h
8、as decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself co
9、nfer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 8, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicat
10、ed in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 BSI 08-19991 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A
11、 296:1995 2 BSI 08-1999 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 BSI 08-19993 Table 1 Description and portrayal Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
12、BS 2A 296:1995 4 BSI 08-1999 Table 1 Description and portrayal Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 BSI 08-19995 Table 1 Description and portrayal Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+
13、00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 6 BSI 08-1999 Table 1 Description and portrayal Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 BSI 08-19997 Table 2 Values Licensed Copy: sheffieldun sheffieldun, na, Tue
14、Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 8 blank Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296:1995 BSI 08-1999 List of references See national foreword. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14
15、:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2A 296: 1995 ISO 7913:1994 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the inter
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23、n permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:32:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI